A dependable and speedy player, both on the basepaths and in the field, Strunk was scouted and signed by Philadelphia Athletics" manager Connie Mack, who did not hesitate to call him "the most underrated outfielder in baseball". Strunk reached the majors in 1908 with the Athletics, spending nine years with them before moving to the Boston Red Sox (1918-1919), and played again for Philadelphia (1919-1920) and in parts of four seasons with the Chicago White Sox (1920-1923). Then, he returned with the Athletics in 1924, his last major league season.
Five times he led American League outfielders in fielding percentage, and played in five World Series with the Athletics (1910-1911, 1913-1914) and Red Sox (1918).
In a 17-season career, Strunk was a.284 hitter (1418-for-4999) with 15 home runs and 530 Reserve Bank of India in 1512 games played, including 696 runs, 213 doubles, 96 triples and 185 stolen bases. Following his baseball career, Strunk spent fifty years in the insurance business.
He died in Llanerch, Pennsylvania, at the age of 90. From 1911-1918, he averaged 20 stolen bases per season, with a career-high 29 in 1912.
In three seasons, he hit.300 or more, with a career-high.332 in 1921.
In 1923, he led the Alabama with 12 pinch-hits in 39 at-bats (308).